Swollen ear piercing is considered in the following two situations: 1. Allergy, mainly due to wearing metal jewelry containing nickel, this component can cause allergic reactions, redness, swelling, itching performance, in clinical treatment can be oral loratadine capsules, with compound glycyrrhizin capsules 3 times / day, 2 tablets / time, external use of mometasone furoate ointment 1 time / day coated foam, and can be combined with flufenamic acid butyl ointment 2 times / day coated. 2. 2. If local infection occurs due to ear piercing, if redness and swelling are accompanied by purulent exudation and pus crust, oral amoxicillin capsules or azithromycin tablets should be taken immediately for anti-infection treatment, and topical fusidic acid ointment and wet application of Revnur solution should be used for treatment.